드롭다운 메뉴 개발중,
밖을 눌러도 꺼지게 하는 필요성을 느껴 제작
Vue.directive('click-outside', {
bind: function (el, binding, vnode) {
el.clickOutsideEvent = function (event) {
// here I check that click was outside the el and his children
if (!(el == event.target || el.contains(event.target))) {
// and if it did, call method provided in attribute value
vnode.context[binding.expression](event)
}
}
document.body.addEventListener('click', el.clickOutsideEvent)
},
unbind: function (el) {
document.body.removeEventListener('click', el.clickOutsideEvent)
}
})